#define _CRT_SECURE_NO_WARNINGS


int Add_1(int x, int y)
{
	return x + y;
}

int Sub_1(int x, int y)
{
	return x - y;
}

int Mul_1(int x, int y)
{
	return x * y;
}

int Div_1(int x, int y)
{
	return x / y;
}
